IUPAC Name: magnesium;(2S)-2-methanidylbutane;chloride | CAS Registry Number: 29621-68-9 Synonyms: MFCD11553289, (S)-2-Methylbutylmagnesium chloride, (S)-(+)-2-Methylbutylmagnesium chloride, 0.50 M in THF, (S)-(+)-2-Methylbutylmagnesium chloride, 0.50 M in 2-MeTHF